Mold structure for injection molding of photovoltaic welding strip wire coil

Abstract

The utility model discloses a mold structure for injection molding of a photovoltaic solder strip wire coil, which comprises a base, a lower mold is fixedly connected to the base, screw rods are rotatably connected to two ends, far away from the lower mold, of the base, fixed support blocks are in threaded connection to the screw rods, an upper mold is fixedly connected between the fixed support blocks, and the upper mold is fixedly connected to the lower mold. An injection molding pipe is fixedly connected to the top end of the upper mold, an anti-early-setting assembly is arranged outside the injection molding pipe and comprises a heating sleeve arranged outside the injection molding pipe in a sleeving mode, a heating cavity is formed in the heating sleeve, an electric heating wire is wound in the heating cavity, and the electric heating wire works to heat the injection molding pipe. And heat generated by the electric heating wire is located in the heating cavity, and the injection molding liquid flowing into the injection molding pipe is subjected to auxiliary heating treatment, so that the phenomenon that the injection molding liquid is pre-coagulated in the guide-in process is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to photovoltaic welding band technical field, concretely related to a kind of photovoltaic welding band line disc injection moulding mould structure. BACKGROUND

[0002] Photovoltaic welding band is usually referred to as tin-plated copper strip or tin-coated copper strip, which is mainly used in the field of photovoltaics. Through connection, it can play the role of electric conduction and electric aggregation. When winding, it is mainly wound by a wire reel. During production and processing, an injection mold is usually used to achieve the purpose.

[0003] Currently, when the injection mold is actually used, the injection liquid is extremely prone to premature solidification during the process of being introduced into the mold due to the influence of external temperature factors. The existing injection mold cannot eliminate the prematurely solidified injection liquid, thereby affecting the quality of wire reel injection.

[0004] For the problems in the related art, no effective solution has been proposed so far. INVENTION CONTENTS

[0005] To overcome the above technical problems existing in the prior art, the utility model provides a kind of photovoltaic welding band line disc injection moulding mould structure.

[0006] Therefore, the utility model adopts the following specific technical solutions:

[0007] A kind of photovoltaic welding band line disc injection moulding mould structure, including base, the base is fixedly connected with lower mould on it, the top of the lower mould is provided with lower mould groove, the lower mould groove is equipped with ejection assembly, the base is rotatably connected with lead screw at the two ends away from the lower mould, the fixed support block is screw-connected on the lead screw, the upper mould is fixedly connected between the fixed support block, the bottom of the upper mould is provided with upper mould groove, the top of the upper mould is fixedly connected with injection tube, the injection tube is communicated with the upper mould groove, the top of the injection tube is fixedly connected with injection hopper, the injection tube is equipped with anti-early solidification assembly outside, the anti-early solidification assembly includes heating sleeve pipe that is sleeved outside the injection tube, the heating sleeve pipe is provided with heating cavity inside, the heating cavity is wound with electric heating wire, the top of the heating sleeve pipe is equidistantly provided with pressure relief hole, and the pressure relief hole is communicated with the heating cavity.

[0008] Further, to facilitate the wire reel after injection being taken out, the ejection assembly includes a hole provided on the lower mould, a center of the bottom of the hole is fixedly installed with an electric telescopic rod, an output end of the electric telescopic rod is fixedly connected with a moving plate, the moving plate is slidably connected with the hole, the moving plate is equidistantly provided with a thimble, and the thimble extends into the lower mould groove.

[0009] Further, in order to avoid the shift of the moving plate in the hole, sliding grooves are arranged on the two ends of the inner surface of the hole, and sliding blocks are fixedly connected to the two ends of the outer surface of the moving plate and are in sliding connection with the sliding grooves.

[0010] Further, in order to increase the sealing property between the upper mold and the lower mold, a sealing block is arranged on the bottom end of the upper mold through integral casting forming processing, a sealing groove is arranged on the top end of the lower mold through integral casting forming processing, and the sealing groove is matched with the sealing block.

[0011] Further, in order to increase the sealing property between the sealing groove and the sealing block, a sealing gasket is arranged between the sealing groove and the sealing block and is fixedly installed in the sealing groove.

[0012] Further, in order to facilitate the rotation of the lead screw, motor grooves are arranged on the two ends of the outer surface of the base, and the lead screws are all extended into the motor grooves and are connected with the output ends of the reciprocating motors.

[0013] Further, in order to make the fixed supporting block stably slide on the lead screw, guide rods are welded to the two ends of the base away from the lead screws and are in sliding connection with the fixed supporting block.

[0014] The beneficial effects of the utility model are as follows:

[0015] 1. The injection liquid enters the injection pipe through the injection hopper, at this time, the electric heating wire works, the heat generated by the electric heating wire is in the heating cavity, and the injection liquid flowing into the injection pipe is subjected to auxiliary heating treatment, so that the phenomenon of early condensation of the injection liquid in the introduction process is avoided.

[0016] 2. After the wire disc is injection molded, the reciprocating motor drives the lead screw to rotate reversely, and the fixed supporting block slides on the lead screw, the sliding of the fixed supporting block can make the upper mold away from the lower mold, after the upper mold and the lower mold are separated, the electric telescopic rod works, the electric telescopic rod telescopes itself, drives the moving plate to slide in the hole, and makes the ejector pin move, the movement of the ejector pin can quickly separate the injection molded wire disc from the lower mold groove, and the efficiency of the photovoltaic welding strip wire disc injection molding is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without paying creative labor.

[0018] Figure 1It is a structure schematic view of a mold structure for photovoltaic welding band wire disc injection according to the embodiment of the utility model;

[0019] Figure 2 It is a sectional view of a mold structure for photovoltaic welding band wire disc injection according to the embodiment of the utility model;

[0020] Figure 3 It is Figure 2 The enlarged view at A in the middle;

[0021] Figure 4 It is Figure 2 The enlarged view at B in the middle.

[0022] In the figure,

[0023] 1, base; 2, lower mold; 3, lower mold groove; 4, sealing groove; 5, sealing gasket; 6, hole; 7, sliding groove; 8, electric telescopic rod; 9, moving plate; 10, sliding block; 11, ejector pin; 12, motor groove; 13, reciprocating motor; 14, screw rod; 15, fixed support block; 16, guide rod; 17, upper mold; 18, upper mold groove; 19, sealing block; 20, injection pipe; 21, injection hopper; 22, heating sleeve; 23, heating cavity; 24, electric heating wire; 25, pressure relief hole. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0025] According to the embodiment of the utility model, a mold structure for photovoltaic welding band wire disc injection is provided.

[0026] Embodiment one;

[0027] As Figure 1 , Figure 2 and Figure 4As shown, according to the mold structure for injection molding of photovoltaic welding ribbon reels according to the embodiment of the present invention, it includes a base 1, a lower mold 2 is fixedly connected to the base 1, a lower mold groove 3 is provided on the top of the lower mold 2, and an ejection assembly is provided in the lower mold groove 3, and the ejection assembly includes a hole 6 provided on the lower mold 2, and an electric telescopic rod 8 is fixedly installed at the center of the bottom end of the hole 6. The electric telescopic rod 8 is electrically connected to the external controller and the external power supply. The output end of the electric telescopic rod 8 is fixedly connected to the movable plate 9, and the movable plate 9 is slidably connected to the hole 6. In order to prevent the movable plate 9 from deflecting in the hole 6, sliding grooves 7 are provided on both ends of the inner surface of the hole 6, and fixed on both ends of the outer surface of the movable plate 9. A sliding block 10 is fixedly connected, and the sliding block 10 is slidably connected to the sliding groove 7. An ejector pin 11 is equidistantly provided on the movable plate 9, and the ejector pin 11 extends into the lower mold groove 3. The two ends of the base 1 away from the lower mold 2 are rotatably connected with a screw rod 14, and the screw rod 14 is threadedly connected with a fixed support block 15. In order to facilitate the rotation of the screw rod 14, motor slots 12 are provided on both ends of the outer surface of the base 1. The screw rods 14 extend into the motor slots 12 and are connected to the output end of the reciprocating motor 13. The reciprocating motor 13 is electrically connected to an external controller and an external power supply. The reciprocating motor 13 has a self-locking function. In order to make the fixed support block 15 slide steadily on the screw rod 14, the base 1 away from the screw rod Guide rods 16 are welded at both ends of the rod 14, and the guide rods 16 are slidably connected to the fixed support blocks 15. An upper mold 17 is fixedly connected between the fixed support blocks 15, and an upper mold groove 18 is provided on the bottom end of the upper mold 17. In order to increase the sealing between the upper mold 17 and the lower mold 2, a sealing block 19 is provided on the bottom end of the upper mold 17 through an integral casting process, and a sealing groove 4 is provided on the top of the lower mold 2 through an integral casting process. The sealing groove 4 matches the sealing block 19. In order to increase the sealing between the sealing groove 4 and the sealing block 19, a sealing gasket 5 is provided between the sealing groove 4 and the sealing block 19. The sealing gasket 5 is fixedly installed in the sealing groove 4. The top of the upper mold 17 An injection molding tube 20 is fixedly connected to the end, and the injection molding tube 20 is communicated with the upper mold groove 18. An injection molding bucket 21 is fixedly connected to the top of the injection molding tube 20. After the injection molding of the wire reel is completed, the reciprocating motor 13 drives the screw rod 14 to rotate in the opposite direction, and makes the fixed support block 15 slide on the screw rod 14. The sliding of the fixed support block 15 can make the upper mold 17 move away from the lower mold 2. After the upper mold 17 is separated from the lower mold 2, the electric telescopic rod 8 works, and the moving end of the electric telescopic rod 8 is extended and retracted, driving the movable plate 9 to slide in the hole 6, and making the ejector 11 move accordingly. The movement of the ejector 11 can quickly separate the injected wire reel from the lower mold groove 3, thereby further improving the efficiency of the injection molding of the photovoltaic welding ribbon wire reel.

[0028] Embodiment 2:

[0029] See also Figures 1-3The anti-early setting assembly is provided outside the injection tube 20, and the anti-early setting assembly comprises a heating sleeve 22 which is sleeved outside the injection tube 20, the heating sleeve 22 is internally provided with a heating cavity 23, an electric heating wire 24 is wound in the heating cavity 23, the electric heating wire 24 is electrically connected with an external controller and an external power supply, a plurality of pressure relief holes 25 are equidistantly and internally provided on the top end of the heating sleeve 22, the pressure relief holes 25 are communicated with the heating cavity 23, the pressure relief holes 25 can effectively avoid that the pressure in the heating cavity 23 is too large, the injection liquid enters the injection tube 20 through the injection hopper 21, at this time, the electric heating wire 24 works, the heat generated by the electric heating wire 24 is in the heating cavity 23, and the injection liquid flowing into the injection tube 20 is subjected to auxiliary heating treatment, so that the phenomenon that the injection liquid is prematurely set during the introduction process is avoided.

[0030] In order to facilitate the understanding of the above technical scheme of the utility model, the working principle or operation mode of the utility model in the actual process will be described in detail.

[0031] In actual application, firstly, the reciprocating motor 13 drives the screw rod 14 to rotate, and the fixed supporting block 15 slides on the screw rod 14, the sliding of the fixed supporting block 15 can make the upper mold 17 close to the lower mold 2, and the sealing block 19 and the sealing groove 4 are arranged, further improving the sealing property between the upper mold 17 and the lower mold 2, secondly, the injection liquid enters the injection tube 20 through the injection hopper 21, at this time, the electric heating wire 24 works, the heat generated by the electric heating wire 24 is in the heating cavity 23, and the injection liquid flowing into the injection tube 20 is subjected to auxiliary heating treatment, so that the phenomenon that the injection liquid is prematurely set during the introduction process is avoided, then, after the wire coil injection is completed, the reciprocating motor 13 drives the screw rod 14 to reversely rotate, and the fixed supporting block 15 slides on the screw rod 14, the sliding of the fixed supporting block 15 can make the upper mold 17 away from the lower mold 2, finally, after the upper mold 17 and the lower mold 2 are separated, the electric telescopic rod 8 works, the moving end of the electric telescopic rod 8 is telescopic, drives the moving plate 9 to slide in the hole 6, and makes the ejector pin 11 move, the movement of the ejector pin 11 can quickly separate the injected wire coil from the lower mold groove 3, further improving the efficiency of the photovoltaic welding strip wire coil injection.

[0032] The above only describes preferred embodiments of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A mold structure for photovoltaic solder strip line disc injection molding, comprising a base (1), characterized in that, The base (1) is fixedly connected with a lower mold (2), a lower mold groove (3) is opened at the top end of the lower mold (2), an ejection assembly is arranged in the lower mold groove (3), the base (1) is rotatably connected with a lead screw (14) away from both ends of the lower mold (2), the lead screw (14) is threadedly connected with a fixed support block (15), an upper mold (17) is fixedly connected between the fixed support blocks (15), an upper mold groove (18) is opened at the bottom end of the upper mold (17), an injection tube (20) is fixedly connected to the top end of the upper mold (17), the injection tube (20) communicates with the upper mold groove (18), an injection hopper (21) is fixedly connected to the top end of the injection tube (20), an anti-early-setting assembly is arranged outside the injection tube (20), the anti-early-setting assembly comprises a heating sleeve (22) sleeved outside the injection tube (20), a heating cavity (23) is opened in the heating sleeve (22), an electric heating wire (24) is wound in the heating cavity (23), a relief hole (25) is equidistantly opened at the top end of the heating sleeve (22), and the relief hole (25) communicates with the heating cavity (23).

2. The mold structure for photovoltaic solder strip coil injection molding according to claim 1, wherein, The ejection assembly comprises a hole (6) opened in the lower mold (2), a center of the bottom end of the hole (6) is fixedly installed with an electric telescopic rod (8), an output end of the electric telescopic rod (8) is fixedly connected with a moving plate (9), the moving plate (9) is slidably connected with the hole (6), and the moving plate (9) is equidistantly provided with a plurality of ejector pins (11) extending into the lower mold groove (3).

3. The mold structure for photovoltaic solder strip coil injection molding according to claim 2, characterized in that, Sliding grooves (7) are opened at both ends of the inner surface of the hole (6), and sliding blocks (10) are fixedly connected to both ends of the outer surface of the moving plate (9) and slidably connected with the sliding grooves (7).

4. The mold structure for photovoltaic solder strip coil injection molding according to claim 1, wherein, The bottom end of the upper mold (17) is provided with a sealing block (19) through integral casting molding processing, the top end of the lower mold (2) is provided with a sealing groove (4) through integral casting molding processing, and the sealing groove (4) is matched with the sealing block (19).

5. The mold structure for photovoltaic solder strip coil injection molding according to claim 4, wherein, A sealing gasket (5) is arranged between the sealing groove (4) and the sealing block (19), and the sealing gasket (5) is fixedly installed in the sealing groove (4).

6. The mold structure for photovoltaic solder strip coil injection molding according to claim 1, wherein, Motor grooves (12) are opened at both ends of the outer surface of the base (1), the lead screws (14) extend into the motor grooves (12) and are connected with output ends of reciprocating motors (13).

7. The mold structure for photovoltaic solder strip coil injection molding according to claim 6, wherein, Guide rods (16) are welded to both ends of the base (1) away from the lead screws (14), and the guide rods (16) are slidably connected with the fixed support blocks (15).

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